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Author Topic: Siphoned Heron's fountain  (Read 31695 times)

Ghost

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Siphoned Heron's fountain
« on: September 01, 2012, 05:02:04 PM »
will this keep going perpetually?

Ghost

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Re: Siphoned Heron's fountain
« Reply #1 on: September 01, 2012, 05:59:18 PM »
hmmm

TinselKoala

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Re: Siphoned Heron's fountain
« Reply #2 on: September 01, 2012, 08:37:27 PM »
Why don't you try it and find out, if you can't see it just by inspection.

What are you looking at there, a couple dollars worth of glue, tubing, and discarded plastic jugs? You should be able to whip up something in an hour, to test your idea.

I'll be looking forward to your video.

(Don't forget to try different liquids. If it doesn't work with water, maybe it will work with Scotch.)

gadgetmall

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Re: Siphoned Heron's fountain
« Reply #3 on: September 01, 2012, 11:21:44 PM »
ROFL . :) Scotch .hahahaa  . i like that idea . and here an addition  piss .or drink the Scotch and piss .



Jk


Gadget

Ghost

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Re: Siphoned Heron's fountain
« Reply #4 on: September 02, 2012, 03:01:00 PM »
thanks  :)

if i have time on my day off from work i will go to home depot and buy some tubes and a hot gun to glue it all together.
i don't have any plastic jars but shouldn't be hard to find, probably at the 99 cents store i can buy something.
i wouldn't use piss lol and i don't drink, anymore. i will probably try it with 100% rubbing alcohol if anything.

but really do you guys think it will work?
has anyone tried it this way before?
i don't want to waist time or money if someone already tried it and failed.


gadgetmall

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Re: Siphoned Heron's fountain
« Reply #5 on: September 02, 2012, 05:40:06 PM »
Hi Ghost . Sorry for my vulgar previous . Sometime lately my mind goes adrift and i might say something or type something wrong  .I guess i was saying different Viscosity's.
If you ever had a plastic pool and you needed to dump the water you would sometimes use a piece of hose . you had to start it by a little suction to get it over the edge of the pool side and then drop the hose on the ground and it would flow .BUT if you picked it up a little higher than the water level it would stop flowing . put it lower and it would start again until it was almost empty then stop .it you picked it up higher than the side then you had to start it again to get over that "hump" .Somewhere along the line in your setup some will say it has to equal out .
think about this then get to work .

Hope this helps .

al
« Last Edit: September 02, 2012, 06:54:48 PM by gadgetmall »

e2matrix

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Re: Siphoned Heron's fountain
« Reply #6 on: September 02, 2012, 06:04:18 PM »
Forget using rubbing alcohol.  That is one of the Pharma Cartels secret chemicals that sets you up to get cancer. 

Ghost

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Re: Siphoned Heron's fountain
« Reply #7 on: September 02, 2012, 09:18:17 PM »
ok well i want to use something that evaporates easily and its not so toxic/cancerous.
what i see here is all jars puts in/out equally while it tries to balance its siphon. (im talking about the second picture because i think it will work best)
i believe the unbalanced siphon is what causes flow to happen and the system never finds a balance and keeps going, so not all jars will 'end' up having the same level of liquid. :)
well if it doesn't work (no flow of liquid) and everything stays the same as the picture show i think it will at least be a nice thermo liquid pump i guess. (geothermal?)



Ghost

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Re: Siphoned Heron's fountain
« Reply #8 on: September 05, 2012, 01:44:04 PM »
hmmm!? looks too simple but will it work?
i don't have high hope for this but you never know.

johnny874

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Re: Siphoned Heron's fountain
« Reply #9 on: September 05, 2012, 01:51:01 PM »
  ghost,
 When I can go to the library, I will check out your idea.
 One thing that is known about syphoning is that flow will be in the direction of the lowest point that is being syphoned.

     Jim

Ghost,
I  just thought of something, calculate the volume for both tubes, this would be going by their actual height and not their lengths.
 and make sure the larger diameter hose is in water. for testing purposes it is very important. if the greater volume of water wins out as it should, then you would need to let it' container over flow into the lower container to maintain flow.
 you may know how to calculate the volume of a tube but will post it in case someone is not familiar with it. it is 3.142 (radius x radius) x height (not length).

Ghost

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Re: Siphoned Heron's fountain
« Reply #10 on: September 05, 2012, 02:17:49 PM »
thanks, see if any of the above ideas will work.
but why the library?

Ghost

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Re: Siphoned Heron's fountain
« Reply #11 on: September 05, 2012, 02:38:48 PM »
containers are equal and hoses are equal, just different water level.
one container is sealed and the other has an open top.

CuriousChris

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Re: Siphoned Heron's fountain
« Reply #12 on: September 05, 2012, 02:53:40 PM »
Water can't flow uphill, which is to say you cant make water flow from a lower level to a higher level, The outlet of the siphon must always be below the level of the water you are trying to drain.

The pipe will siphon the full container into the empty one but stop as soon as the empty one has the same water level as the now half full one. The empty or almost empty one will never discharge water into the more full one. That is unless you put the more full one below the empty one. Imagine the empty one on a shelf and the full one on the floor.

But go ahead and try it. Its a great idea and helps teach some basics of hydraulics. A length of plastic tube and some old plastic soft drink or perhaps milk containers will do.

I have spent countless hours musing over similar arrangements but could not make one work theoretically. hence never spent a cent.

johnny874

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Re: Siphoned Heron's fountain
« Reply #13 on: September 05, 2012, 03:00:04 PM »
  Ghost,
 I only have a basic smart phone.
 There is one other aspect to this and that's work equals mass times distance.

Ghost

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Re: Siphoned Heron's fountain
« Reply #14 on: September 05, 2012, 03:04:07 PM »
where does the air go in the almost empty container?
it seems as if the air will stay in there and not leave room for extra water to come in.
so how is extras water going in to balance the system to a stop?